1900053387 has 12 divisors (see below), whose sum is σ = 2745005640. Its totient is φ = 1266478848.

The previous prime is 1900053373. The next prime is 1900053401. The reversal of 1900053387 is 7833500091.

It is an interprime number because it is at equal distance from previous prime (1900053373) and next prime (1900053401).

It is not a de Polignac number, because 1900053387 - 2¹¹ = 1900051339 is a prime.

It is a super-2 number, since 2×1900053387² = 7220405746900343538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1900053187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47664 + ... + 77922.

It is an arithmetic number, because the mean of its divisors is an integer number (228750470).

Almost surely, 2^1900053387 is an apocalyptic number.

1900053387 is a deficient number, since it is larger than the sum of its proper divisors (844952253).

1900053387 is a wasteful number, since it uses less digits than its factorization.

1900053387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37242 (or 37239 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1900053387 is about 43589.6018219942. The cubic root of 1900053387 is about 1238.5739300701.

The spelling of 1900053387 in words is "one billion, nine hundred million, fifty-three thousand, three hundred eighty-seven".